Service difficulty report · Floor Support · Boeing 747121

Difficulty date
March 14, 2006
Submitted
March 29, 2006
Operation
Air carrier
Aircraft
N681UP
Make and model
Boeing 747121
Aircraft serial
19661
Aircraft time
106,939 hours, 27,146 cycles
Part
Floor Support
Condition
Corroded
Location
Bs 1920-2020
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FOUND BS 1920-2020 LBL 116 LONGITUDINAL FLOOR SUPPORT FOUND CORRODED. CORROSION BLEND OUT 0.016" BY 1/2" BY 20" EXCEED SRM 53-10-01 FIG 1 LIMITS, FLOOR SUPPORT REPLACED AS PER SRM 51-10-01 P9 AND INSTALLED AS PER SRM 51-30-02.